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41 9 42 0 42 1 42 2 42 3 42 4 42 5 42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 43 4 1441 1440 1439 1438 1437 1436 1435 1434 1433 1432 1431 1430 1429 1428 1427

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid